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H. S. SHIMIZU. APPARATUS FOR HANDLING COAL.

A u 5 mm T? w Z W A m 1 m M Di APPLICATION FILED SEPT. 17, 1918.

H. S, SHIMiZU.

APPARATUS FOR HANDLING COAL.

APPLICATION FILED'SEPT. 17, 1918.

1,355,512, 4 Patented 0% 12 mm 2 SHEETS-$HEET 2,

1 A 12176 7211 07. /0&,307Z )5- 5737726 10.

ama M UNITED STATES PATENT OFFICE.

HOHSON S. SHIMIZU, OF CHICAGO, ILLINOIS, ASSIGNOR T ROBERTS & SCHAEFER COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS. I

APPARATUS FOR HANDLING COAL.

Specification of Letters Patent.

Patented Oct. 12, 1920.-

Application filed September 17, 1918. Serial No. 254,405.

at Chicago, in the county of Cook and State of Illinois, have invented a certain new and useful Improvement in Apparatus forHandling Coal of which the following is a specification.

My invention relates to hoisting apparatus particularly intended for use in connection with coal, and has for its object among other things to provide means where by the hoisting bucket can be simultaneously tilted and moved bodily laterally so as to bring the mouth of the bucket under the hopper while the mouth is substantially horizontal during the hoisting operation.

My invention is illustrated more or less diagrammatically in the accompanying drawings, wherein V Figure 1 is a side elevation in part sectional view of the apparatus with the bucket at the lower end of its excursion;

Fig. 2 is a cross section on the line 2--2 of Fig. 1;

Fig. 3 is a cross. section on the line 3-3 of Fig. 1.

Like parts are indicated by the same letters in all the figures;

A is a hopper suppl ed from cars running onthe trackA and A is the discharge port of such hopper. The hopperis preferably made long enough so as to operate in connection with two buckets and the apparatus is preferably arranged so that one bucket is at the top while the other is at th bot om and intended to balance their resvmni' vo piphts B. B are two vertical sha ts in which the b ts m e. ch s rovided with two uide rails B. B whic evten'd From the top to near the bottom a he shafts.

' C is the bucket provided with the apron and the upwardlv'proiec in straps C. Near the upper end of the buckets are the rollers C". two oneach "side and alongthe body of the buckets are the guide bars 0, C. two on each side adapted each pair to engage "the guide rail B andbold the bucket in the upright position as it moves vertically.

D. D are two short laterall diverging rails secured to the guide rail B and'provided each with a cut-away portion D to permit one of the guide bars C to pass therethrough D are somewhat similar laterally diverging guide rails which are se-.

cured in position but sufiiciently removed from the rail B to permit one of the straps to pass between such rail B and'the laterally diverging guide rails D The rollers C C are adapted to overhang and ride upon the outer surface of the rails D D and thus they tend to tilt the top of the bucket laterally.

E is a shaft secured to the rear of the bucket and carrying at either end the rollers E E adapted each to be received between the, lower rear guide rails E E These guide rails are laterally deflected at their lower endsand thus the bucket as it descends tends to move laterally.

F, F are somewhat similar rollers onthe forward part of the bucket associated with the two lower forward guide rails, F F and adapted to pass between them. The lower ends of these guide rails are deflected laterally thus also tending to move the bucket laterally.

By the ioint action of the three sets 0t lower laterally defle ted guide rails, the bucket is carried bodily laterally and its portion or mouth is tilted laterally so as to r n i ul atelv responsive to such action into a position where the mouth though in horiaontal position on the vert cal run is inclined and substantially parallel with the dischargeport of the hopper.

" Gris a gate mounted on rollers G G on the rope G which travels over the pullev G and is attached to the upper end of the gate thus tending to keep it in the closed position. G". G are pocket-shaped lugs on the gate so placed that'as the bucket descends into position the straps C will drop each into one of said pockets so that when the bucket be ins to ascend it is positively connected with the gate so as to force it upwardly at least .for a considerable portion of its excursion after which the weight will be sufficient to close it.

Certainother features are illustrated in the drawings, but as they are the subject matter of another application Serial No. 235,234, filed May 18, 1918, and have nothing to do with the invention here sought to be covered, they will not be described. They have to do with the discharge port, gate and chute for the bucket and the means of controlling the same.

J, 'J are strengthening bars within and along the top of the bucket and 5 cross bars, J an arm secured to the inside of the bucket at J connected with the cross bar at J and provided with a cable ring whereby the bucket may be moved by means of a rope or hoisting engine.

It will be understood that my drawings are to be taken in a sense diagrammatic as they are intended simply to be illustrative and point out the general features of construction, although a working apparatus can be made by following fairly closely the drawings.

The use and operation of my invention are as follows A bucket with a horizontal upper opening will naturally hold the largest amount of material safely. When such a bucket is moved laterally to bring it under the hopper, the depth of the pit will necessarily be relatively greater than in the case where a tilting bucket is used. To bring the bucket properly under or into proper relation with the port of the hopper, it is desirable to move the bucket laterally. The benefit of both of these conditions can be obtained by simultaneously moving the bucket laterally to bring it under the hopper and by tilting it so as to bring its normally horizontal mouth into an inclined pos'ition to register with the port of the hop per. This latter port is itself preferably in an inclined position. To get this result I have invented means whereby the bucket is held in upright position. with its mouth horizontal on its vertical course but is simultaneously tilted and moved laterally at the lower end of its excursion. The nature and degree of such lateral movement and such tilting can be varied to anyv desired extent and I have shown but one form of'device to bring about this result.

I claim:

1. A coal handling plant comprising a hopper having a discharge port, a bucket having an inlet port, means for moving the bucket vertically, means for moving itlaterally bodily beneath the hopper at the lower end of its excursion while at the same time tilting its upper portion about a moving pivot toward the hopper'port so as to bring the two ports into register.

2. A coal handling plant comprising a hopper having adischarge port, a bucket having an inlet port, means for moving the bucket vertically, means for moving it laterally bodily beneath the hopperat the lower end of its excursion while at the same time tilting its upper portion about a moving pivot toward the hopper port so as to bring the two ports into register and a cut-off gate adapted to move responsive to the bucket movement,

A coal handling plant comprising a hopper having a discharge port, a bucket having an inlet port, means for moving the bucket vertically, means for moving it laterally bodily beneath the hopper at the lower end of its excursion while at the same time tilting its upper portion about a moving pivot toward the hopper port so as to bring the two ports into register and a cut-ofi 'gate adapted to move responsive to the bucket movement and to leave a free passage from the hopper to the bucket while the ports are in register.

4. A coal handling plant comprising a hopper having a discharge port, a bucket having an inlet port, means for moving the bucket vertically, means for moving it laterally bodily beneath the hopper at the lower end of its excursion while at the same time tilting its upper portion toward the hopper port so as to bring the two ports into register and a cut-0H gate adapted to move responsive to the bucket movement and means whereby the bucket by its motion positively'moves the gate in both directions.

5. coal handling plant comprising a hopper having a discharge port, a bucket having an inlet port, means for moving the bucket vertically, means for moving it laterally bodily beneath the hopper at the lower end of its excursion while at the same time tilting its upper portion toward the hopper port so as to bring the two ports into register and a cut-off gate adapted to move responsive to the bucket movement and to leave a free passage from the hopper to the bucket while the ports are in register, and means whereby the bucket by its motion positively moves the gate inboth directions.

6. A coal handling plant comprising a hopper having a discharge port, a bucket having an inlet port, means for moving the bucket vertically, means for moving it laterally bodily beneath the hopper at thelower end of its excursion while at the same time tilting its upper portion about a moving pivot toward the hopper port so aS-to-bring the two ports into register, said means comprising laterally deflccted tracks with engaging devices on the bucket.

7. A coal'handling plant comprising a hopper having a discharge port, a bucket having an inlet port, means'for moving the bucket vertically, means for movingit laterally-bodily beneath the hopper at the lower end of its excursion while at the same time tilting its upper portion about a moving pivot toward the hopper port so as to bring the two ports into register, said means com- 7 prising vertical guides and projections on the bucket to-engage therewith and laterally diverging tracks and projections on the bucket to engage them. 7

8. A coal handling plant comprising a hopper having a discharge port, a bucket having an inlet port, means for moving the bucket vertically, means for moving its upper portion laterally bodily beneath the hopper at the lower end of its excursion toward the hopper port so as to bring the two ports into register, and a cut-off gate and means whereby the bucket moves the cut-oil positively in both directions.

9. A coal handling plant comprising a hopper having a discharge port, a bucket having an inlet port, means for moving the bucket vertically, means for moving it laterally bodily beneath the hopper at the lower end of its excursion, while at the same time tilting it toward the hopper port hopper having a discharge port, a bucket having an inlet port, means for moving the bucket vertically, means for moving it laterally bodily beneath the hopper at the lower end of its excursion, while at the same time tilting ittoward the hopper port about a shifting center, to bring the two ports into register, said means comprising a plurality of tracks inclined to each other, and members on'the bucket adapted to engage them.

11. A'coal handling plant comprising a hopper having a discharge port, a bucket having an inlet port, means for moving the bucket vertically, means for tilting it toward the hopper port, means for moving it bodily laterally independent of said tilting, to bring the two ports into register.

In testimony whereof I afiix my signature in the resence of two witnesses this 12th day of eptember 1918.

HoHsoN s. SHIMIZU. Witnesses: v

MARION L. INGRAHAM, MINNIE M. LINDENAU. 

